2. tr. To make to stagger, to stupefy with surprise, amaze. Rare and prob. an adaptation of Eng. stagger sim. used.
Ayr. 1913 J. ServiceMemorables 193: The doings had so stauchered the minds o' folk in Kilwinning.wm.Sc. 1925 D. MackenzieMacmorro's Luck 30: Syne solemnly she shook her heid wi' “No!” That stachert him as wi' a sudden blow.